Home / 52,338.44-78,533.63-20,747.83

Finding the Fourth Proportional to 52,338.44, 78,533.63 and 20,747.83

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Solution

The fourth proportional to 52,338.44, 78,533.63 and 20,747.83 is: 31,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,338.44 : 78,533.63 = 20,747.83 : x
  2. Step 2: Convert to fraction form
    52,338.44/78,533.63 = 20,747.83/x
  3. Step 3: Cross multiply
    52,338.44x = 78,533.63 × 20,747.83
  4. Step 4: Simplify right side
    52,338.44x = 1,629,402,652.73
  5. Step 5: Solve for x
    x = 1,629,402,652.73/52,338.44
  6. Step 6: Final answer
    x = 31,132.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.